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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
dde5845a | 2 | /* |
dde5845a | 3 | * Copyright (c) 2000-2001 Vojtech Pavlik |
7d39e849 | 4 | * Copyright (c) 2006-2010 Jiri Kosina |
dde5845a JK |
5 | * |
6 | * HID to Linux Input mapping | |
7 | */ | |
8 | ||
9 | /* | |
dde5845a JK |
10 | * |
11 | * Should you need to contact me, the author, you can do so either by | |
12 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
13 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
14 | */ | |
15 | ||
16 | #include <linux/module.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/kernel.h> | |
dde5845a | 19 | |
dde5845a | 20 | #include <linux/hid.h> |
c080d89a | 21 | #include <linux/hid-debug.h> |
dde5845a | 22 | |
bbc21cfd JF |
23 | #include "hid-ids.h" |
24 | ||
dde5845a JK |
25 | #define unk KEY_UNKNOWN |
26 | ||
27 | static const unsigned char hid_keyboard[256] = { | |
28 | 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, | |
29 | 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, | |
30 | 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, | |
31 | 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, | |
32 | 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, | |
33 | 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, | |
34 | 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, | |
35 | 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, | |
36 | 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, | |
437f3b19 | 37 | 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk, |
dde5845a | 38 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
1fe8736d | 39 | unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk, |
dde5845a | 40 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
437f3b19 | 41 | unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk, |
dde5845a JK |
42 | 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, |
43 | 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk | |
44 | }; | |
45 | ||
46 | static const struct { | |
47 | __s32 x; | |
48 | __s32 y; | |
49 | } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; | |
50 | ||
022e8c4d JS |
51 | #define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c)) |
52 | #define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c)) | |
53 | #define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c)) | |
54 | #define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c)) | |
dde5845a | 55 | |
022e8c4d JS |
56 | #define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ |
57 | &max, EV_ABS, (c)) | |
58 | #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ | |
59 | &max, EV_KEY, (c)) | |
dde5845a | 60 | |
a0bf0ea8 DT |
61 | static bool match_scancode(struct hid_usage *usage, |
62 | unsigned int cur_idx, unsigned int scancode) | |
fe7ba31f | 63 | { |
a0bf0ea8 | 64 | return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode; |
fe7ba31f MR |
65 | } |
66 | ||
a0bf0ea8 DT |
67 | static bool match_keycode(struct hid_usage *usage, |
68 | unsigned int cur_idx, unsigned int keycode) | |
fe7ba31f | 69 | { |
f5854fad DT |
70 | /* |
71 | * We should exclude unmapped usages when doing lookup by keycode. | |
72 | */ | |
73 | return (usage->type == EV_KEY && usage->code == keycode); | |
a0bf0ea8 | 74 | } |
58b93995 | 75 | |
a0bf0ea8 DT |
76 | static bool match_index(struct hid_usage *usage, |
77 | unsigned int cur_idx, unsigned int idx) | |
78 | { | |
79 | return cur_idx == idx; | |
fe7ba31f MR |
80 | } |
81 | ||
a0bf0ea8 DT |
82 | typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage, |
83 | unsigned int cur_idx, unsigned int val); | |
84 | ||
fe7ba31f | 85 | static struct hid_usage *hidinput_find_key(struct hid_device *hid, |
a0bf0ea8 DT |
86 | hid_usage_cmp_t match, |
87 | unsigned int value, | |
88 | unsigned int *usage_idx) | |
fe7ba31f | 89 | { |
a0bf0ea8 | 90 | unsigned int i, j, k, cur_idx = 0; |
fe7ba31f MR |
91 | struct hid_report *report; |
92 | struct hid_usage *usage; | |
93 | ||
94 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
95 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { | |
96 | for (i = 0; i < report->maxfield; i++) { | |
a0bf0ea8 | 97 | for (j = 0; j < report->field[i]->maxusage; j++) { |
fe7ba31f | 98 | usage = report->field[i]->usage + j; |
f5854fad | 99 | if (usage->type == EV_KEY || usage->type == 0) { |
a0bf0ea8 DT |
100 | if (match(usage, cur_idx, value)) { |
101 | if (usage_idx) | |
102 | *usage_idx = cur_idx; | |
103 | return usage; | |
104 | } | |
105 | cur_idx++; | |
106 | } | |
fe7ba31f MR |
107 | } |
108 | } | |
109 | } | |
110 | } | |
111 | return NULL; | |
112 | } | |
113 | ||
a0bf0ea8 DT |
114 | static struct hid_usage *hidinput_locate_usage(struct hid_device *hid, |
115 | const struct input_keymap_entry *ke, | |
116 | unsigned int *index) | |
117 | { | |
118 | struct hid_usage *usage; | |
119 | unsigned int scancode; | |
120 | ||
121 | if (ke->flags & INPUT_KEYMAP_BY_INDEX) | |
122 | usage = hidinput_find_key(hid, match_index, ke->index, index); | |
123 | else if (input_scancode_to_scalar(ke, &scancode) == 0) | |
124 | usage = hidinput_find_key(hid, match_scancode, scancode, index); | |
125 | else | |
126 | usage = NULL; | |
127 | ||
128 | return usage; | |
129 | } | |
130 | ||
58b93995 | 131 | static int hidinput_getkeycode(struct input_dev *dev, |
a0bf0ea8 | 132 | struct input_keymap_entry *ke) |
fe7ba31f | 133 | { |
f202df60 | 134 | struct hid_device *hid = input_get_drvdata(dev); |
fe7ba31f | 135 | struct hid_usage *usage; |
a0bf0ea8 | 136 | unsigned int scancode, index; |
77b29662 | 137 | |
a0bf0ea8 | 138 | usage = hidinput_locate_usage(hid, ke, &index); |
fe7ba31f | 139 | if (usage) { |
f5854fad DT |
140 | ke->keycode = usage->type == EV_KEY ? |
141 | usage->code : KEY_RESERVED; | |
a0bf0ea8 DT |
142 | ke->index = index; |
143 | scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE); | |
144 | ke->len = sizeof(scancode); | |
145 | memcpy(ke->scancode, &scancode, sizeof(scancode)); | |
fe7ba31f MR |
146 | return 0; |
147 | } | |
a0bf0ea8 | 148 | |
fe7ba31f MR |
149 | return -EINVAL; |
150 | } | |
151 | ||
58b93995 | 152 | static int hidinput_setkeycode(struct input_dev *dev, |
a0bf0ea8 DT |
153 | const struct input_keymap_entry *ke, |
154 | unsigned int *old_keycode) | |
fe7ba31f | 155 | { |
f202df60 | 156 | struct hid_device *hid = input_get_drvdata(dev); |
fe7ba31f | 157 | struct hid_usage *usage; |
77b29662 | 158 | |
a0bf0ea8 | 159 | usage = hidinput_locate_usage(hid, ke, NULL); |
fe7ba31f | 160 | if (usage) { |
f5854fad DT |
161 | *old_keycode = usage->type == EV_KEY ? |
162 | usage->code : KEY_RESERVED; | |
a0bf0ea8 | 163 | usage->code = ke->keycode; |
77b29662 | 164 | |
a0bf0ea8 | 165 | clear_bit(*old_keycode, dev->keybit); |
fe7ba31f | 166 | set_bit(usage->code, dev->keybit); |
587d1452 | 167 | dbg_hid("Assigned keycode %d to HID usage code %x\n", |
a0bf0ea8 DT |
168 | usage->code, usage->hid); |
169 | ||
170 | /* | |
171 | * Set the keybit for the old keycode if the old keycode is used | |
172 | * by another key | |
173 | */ | |
174 | if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL)) | |
175 | set_bit(*old_keycode, dev->keybit); | |
77b29662 | 176 | |
fe7ba31f MR |
177 | return 0; |
178 | } | |
77b29662 | 179 | |
fe7ba31f MR |
180 | return -EINVAL; |
181 | } | |
182 | ||
ad0e669b | 183 | |
4ea6e4ff NK |
184 | /** |
185 | * hidinput_calc_abs_res - calculate an absolute axis resolution | |
186 | * @field: the HID report field to calculate resolution for | |
187 | * @code: axis code | |
188 | * | |
189 | * The formula is: | |
190 | * (logical_maximum - logical_minimum) | |
191 | * resolution = ---------------------------------------------------------- | |
192 | * (physical_maximum - physical_minimum) * 10 ^ unit_exponent | |
193 | * | |
194 | * as seen in the HID specification v1.11 6.2.2.7 Global Items. | |
195 | * | |
83ed79c5 DT |
196 | * Only exponent 1 length units are processed. Centimeters and inches are |
197 | * converted to millimeters. Degrees are converted to radians. | |
4ea6e4ff | 198 | */ |
37cf6e6f | 199 | __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) |
4ea6e4ff NK |
200 | { |
201 | __s32 unit_exponent = field->unit_exponent; | |
202 | __s32 logical_extents = field->logical_maximum - | |
203 | field->logical_minimum; | |
204 | __s32 physical_extents = field->physical_maximum - | |
205 | field->physical_minimum; | |
206 | __s32 prev; | |
207 | ||
208 | /* Check if the extents are sane */ | |
209 | if (logical_extents <= 0 || physical_extents <= 0) | |
210 | return 0; | |
211 | ||
212 | /* | |
213 | * Verify and convert units. | |
214 | * See HID specification v1.11 6.2.2.7 Global Items for unit decoding | |
215 | */ | |
b73b2da0 NK |
216 | switch (code) { |
217 | case ABS_X: | |
218 | case ABS_Y: | |
219 | case ABS_Z: | |
37cf6e6f BT |
220 | case ABS_MT_POSITION_X: |
221 | case ABS_MT_POSITION_Y: | |
222 | case ABS_MT_TOOL_X: | |
223 | case ABS_MT_TOOL_Y: | |
224 | case ABS_MT_TOUCH_MAJOR: | |
225 | case ABS_MT_TOUCH_MINOR: | |
ad0e669b | 226 | if (field->unit == 0x11) { /* If centimeters */ |
83ed79c5 DT |
227 | /* Convert to millimeters */ |
228 | unit_exponent += 1; | |
ad0e669b | 229 | } else if (field->unit == 0x13) { /* If inches */ |
83ed79c5 DT |
230 | /* Convert to millimeters */ |
231 | prev = physical_extents; | |
232 | physical_extents *= 254; | |
233 | if (physical_extents < prev) | |
4ea6e4ff | 234 | return 0; |
83ed79c5 | 235 | unit_exponent -= 1; |
ad0e669b | 236 | } else { |
4ea6e4ff NK |
237 | return 0; |
238 | } | |
b73b2da0 NK |
239 | break; |
240 | ||
241 | case ABS_RX: | |
242 | case ABS_RY: | |
243 | case ABS_RZ: | |
c0bf5741 | 244 | case ABS_WHEEL: |
b73b2da0 NK |
245 | case ABS_TILT_X: |
246 | case ABS_TILT_Y: | |
4ea6e4ff NK |
247 | if (field->unit == 0x14) { /* If degrees */ |
248 | /* Convert to radians */ | |
249 | prev = logical_extents; | |
250 | logical_extents *= 573; | |
251 | if (logical_extents < prev) | |
252 | return 0; | |
253 | unit_exponent += 1; | |
254 | } else if (field->unit != 0x12) { /* If not radians */ | |
255 | return 0; | |
256 | } | |
b73b2da0 NK |
257 | break; |
258 | ||
259 | default: | |
4ea6e4ff NK |
260 | return 0; |
261 | } | |
262 | ||
263 | /* Apply negative unit exponent */ | |
264 | for (; unit_exponent < 0; unit_exponent++) { | |
265 | prev = logical_extents; | |
266 | logical_extents *= 10; | |
267 | if (logical_extents < prev) | |
268 | return 0; | |
269 | } | |
270 | /* Apply positive unit exponent */ | |
271 | for (; unit_exponent > 0; unit_exponent--) { | |
272 | prev = physical_extents; | |
273 | physical_extents *= 10; | |
274 | if (physical_extents < prev) | |
275 | return 0; | |
276 | } | |
277 | ||
278 | /* Calculate resolution */ | |
ccdd6994 | 279 | return DIV_ROUND_CLOSEST(logical_extents, physical_extents); |
4ea6e4ff | 280 | } |
37cf6e6f | 281 | EXPORT_SYMBOL_GPL(hidinput_calc_abs_res); |
4ea6e4ff | 282 | |
4f5ca836 JF |
283 | #ifdef CONFIG_HID_BATTERY_STRENGTH |
284 | static enum power_supply_property hidinput_battery_props[] = { | |
285 | POWER_SUPPLY_PROP_PRESENT, | |
286 | POWER_SUPPLY_PROP_ONLINE, | |
287 | POWER_SUPPLY_PROP_CAPACITY, | |
288 | POWER_SUPPLY_PROP_MODEL_NAME, | |
45d9c273 JF |
289 | POWER_SUPPLY_PROP_STATUS, |
290 | POWER_SUPPLY_PROP_SCOPE, | |
4f5ca836 JF |
291 | }; |
292 | ||
bbc21cfd | 293 | #define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */ |
652aa6a9 | 294 | #define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */ |
5d9374cf | 295 | #define HID_BATTERY_QUIRK_IGNORE (1 << 2) /* completely ignore the battery */ |
bbc21cfd JF |
296 | |
297 | static const struct hid_device_id hid_battery_quirks[] = { | |
4cc85417 | 298 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
cbd366be RS |
299 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), |
300 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
301 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, | |
302 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), | |
303 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
652aa6a9 | 304 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
cbd366be | 305 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), |
652aa6a9 | 306 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, |
da940db4 KR |
307 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
308 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO), | |
309 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
0c47935c DN |
310 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, |
311 | USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), | |
312 | HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, | |
5d9374cf AP |
313 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, |
314 | USB_DEVICE_ID_ELECOM_BM084), | |
315 | HID_BATTERY_QUIRK_IGNORE }, | |
0fd79184 BL |
316 | { HID_USB_DEVICE(USB_VENDOR_ID_SYMBOL, |
317 | USB_DEVICE_ID_SYMBOL_SCANNER_3), | |
318 | HID_BATTERY_QUIRK_IGNORE }, | |
a767ffea NH |
319 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, |
320 | USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), | |
321 | HID_BATTERY_QUIRK_IGNORE }, | |
7940fb03 HG |
322 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, |
323 | USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD), | |
324 | HID_BATTERY_QUIRK_IGNORE }, | |
7c38e769 SM |
325 | { HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN), |
326 | HID_BATTERY_QUIRK_IGNORE }, | |
decfe496 ED |
327 | { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15), |
328 | HID_BATTERY_QUIRK_IGNORE }, | |
bbc21cfd JF |
329 | {} |
330 | }; | |
331 | ||
332 | static unsigned find_battery_quirk(struct hid_device *hdev) | |
333 | { | |
334 | unsigned quirks = 0; | |
335 | const struct hid_device_id *match; | |
336 | ||
337 | match = hid_match_id(hdev, hid_battery_quirks); | |
338 | if (match != NULL) | |
339 | quirks = match->driver_data; | |
340 | ||
341 | return quirks; | |
342 | } | |
343 | ||
581c4484 DT |
344 | static int hidinput_scale_battery_capacity(struct hid_device *dev, |
345 | int value) | |
346 | { | |
347 | if (dev->battery_min < dev->battery_max && | |
348 | value >= dev->battery_min && value <= dev->battery_max) | |
349 | value = ((value - dev->battery_min) * 100) / | |
350 | (dev->battery_max - dev->battery_min); | |
351 | ||
352 | return value; | |
353 | } | |
354 | ||
355 | static int hidinput_query_battery_capacity(struct hid_device *dev) | |
356 | { | |
357 | u8 *buf; | |
358 | int ret; | |
359 | ||
4f57cace | 360 | buf = kmalloc(4, GFP_KERNEL); |
581c4484 DT |
361 | if (!buf) |
362 | return -ENOMEM; | |
363 | ||
4f57cace | 364 | ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4, |
581c4484 | 365 | dev->battery_report_type, HID_REQ_GET_REPORT); |
4f57cace | 366 | if (ret < 2) { |
581c4484 DT |
367 | kfree(buf); |
368 | return -ENODATA; | |
369 | } | |
370 | ||
371 | ret = hidinput_scale_battery_capacity(dev, buf[1]); | |
372 | kfree(buf); | |
373 | return ret; | |
374 | } | |
375 | ||
4f5ca836 JF |
376 | static int hidinput_get_battery_property(struct power_supply *psy, |
377 | enum power_supply_property prop, | |
378 | union power_supply_propval *val) | |
379 | { | |
297d716f | 380 | struct hid_device *dev = power_supply_get_drvdata(psy); |
581c4484 | 381 | int value; |
4f5ca836 JF |
382 | int ret = 0; |
383 | ||
384 | switch (prop) { | |
385 | case POWER_SUPPLY_PROP_PRESENT: | |
386 | case POWER_SUPPLY_PROP_ONLINE: | |
387 | val->intval = 1; | |
388 | break; | |
389 | ||
390 | case POWER_SUPPLY_PROP_CAPACITY: | |
2e210bbb DT |
391 | if (dev->battery_status != HID_BATTERY_REPORTED && |
392 | !dev->battery_avoid_query) { | |
581c4484 DT |
393 | value = hidinput_query_battery_capacity(dev); |
394 | if (value < 0) | |
395 | return value; | |
396 | } else { | |
397 | value = dev->battery_capacity; | |
c5a92aa3 DN |
398 | } |
399 | ||
581c4484 | 400 | val->intval = value; |
4f5ca836 JF |
401 | break; |
402 | ||
403 | case POWER_SUPPLY_PROP_MODEL_NAME: | |
404 | val->strval = dev->name; | |
405 | break; | |
406 | ||
c5a92aa3 | 407 | case POWER_SUPPLY_PROP_STATUS: |
2e210bbb DT |
408 | if (dev->battery_status != HID_BATTERY_REPORTED && |
409 | !dev->battery_avoid_query) { | |
581c4484 DT |
410 | value = hidinput_query_battery_capacity(dev); |
411 | if (value < 0) | |
412 | return value; | |
413 | ||
414 | dev->battery_capacity = value; | |
2e210bbb | 415 | dev->battery_status = HID_BATTERY_QUERIED; |
581c4484 DT |
416 | } |
417 | ||
2e210bbb | 418 | if (dev->battery_status == HID_BATTERY_UNKNOWN) |
581c4484 DT |
419 | val->intval = POWER_SUPPLY_STATUS_UNKNOWN; |
420 | else if (dev->battery_capacity == 100) | |
421 | val->intval = POWER_SUPPLY_STATUS_FULL; | |
422 | else | |
423 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | |
c5a92aa3 DN |
424 | break; |
425 | ||
45d9c273 JF |
426 | case POWER_SUPPLY_PROP_SCOPE: |
427 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
428 | break; | |
429 | ||
4f5ca836 JF |
430 | default: |
431 | ret = -EINVAL; | |
432 | break; | |
433 | } | |
434 | ||
435 | return ret; | |
436 | } | |
437 | ||
581c4484 | 438 | static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field) |
4f5ca836 | 439 | { |
581c4484 | 440 | struct power_supply_desc *psy_desc; |
297d716f | 441 | struct power_supply_config psy_cfg = { .drv_data = dev, }; |
bbc21cfd | 442 | unsigned quirks; |
2f2e3f6d | 443 | s32 min, max; |
581c4484 | 444 | int error; |
2f2e3f6d | 445 | |
581c4484 DT |
446 | if (dev->battery) |
447 | return 0; /* already initialized? */ | |
4f5ca836 | 448 | |
5d9374cf AP |
449 | quirks = find_battery_quirk(dev); |
450 | ||
451 | hid_dbg(dev, "device %x:%x:%x %d quirks %d\n", | |
452 | dev->bus, dev->vendor, dev->product, dev->version, quirks); | |
453 | ||
454 | if (quirks & HID_BATTERY_QUIRK_IGNORE) | |
581c4484 | 455 | return 0; |
5d9374cf | 456 | |
297d716f | 457 | psy_desc = kzalloc(sizeof(*psy_desc), GFP_KERNEL); |
581c4484 DT |
458 | if (!psy_desc) |
459 | return -ENOMEM; | |
4f5ca836 | 460 | |
09223865 DT |
461 | psy_desc->name = kasprintf(GFP_KERNEL, "hid-%s-battery", |
462 | strlen(dev->uniq) ? | |
463 | dev->uniq : dev_name(&dev->dev)); | |
581c4484 DT |
464 | if (!psy_desc->name) { |
465 | error = -ENOMEM; | |
466 | goto err_free_mem; | |
297d716f KK |
467 | } |
468 | ||
469 | psy_desc->type = POWER_SUPPLY_TYPE_BATTERY; | |
470 | psy_desc->properties = hidinput_battery_props; | |
471 | psy_desc->num_properties = ARRAY_SIZE(hidinput_battery_props); | |
472 | psy_desc->use_for_apm = 0; | |
473 | psy_desc->get_property = hidinput_get_battery_property; | |
4f5ca836 | 474 | |
2f2e3f6d JF |
475 | min = field->logical_minimum; |
476 | max = field->logical_maximum; | |
477 | ||
bbc21cfd JF |
478 | if (quirks & HID_BATTERY_QUIRK_PERCENT) { |
479 | min = 0; | |
480 | max = 100; | |
481 | } | |
482 | ||
652aa6a9 JF |
483 | if (quirks & HID_BATTERY_QUIRK_FEATURE) |
484 | report_type = HID_FEATURE_REPORT; | |
485 | ||
4f5ca836 JF |
486 | dev->battery_min = min; |
487 | dev->battery_max = max; | |
fb8ac91b | 488 | dev->battery_report_type = report_type; |
2f2e3f6d | 489 | dev->battery_report_id = field->report->id; |
4f5ca836 | 490 | |
2e210bbb DT |
491 | /* |
492 | * Stylus is normally not connected to the device and thus we | |
493 | * can't query the device and get meaningful battery strength. | |
494 | * We have to wait for the device to report it on its own. | |
495 | */ | |
496 | dev->battery_avoid_query = report_type == HID_INPUT_REPORT && | |
497 | field->physical == HID_DG_STYLUS; | |
498 | ||
297d716f KK |
499 | dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg); |
500 | if (IS_ERR(dev->battery)) { | |
581c4484 DT |
501 | error = PTR_ERR(dev->battery); |
502 | hid_warn(dev, "can't register power supply: %d\n", error); | |
503 | goto err_free_name; | |
4f5ca836 | 504 | } |
2f2e3f6d | 505 | |
581c4484 DT |
506 | power_supply_powers(dev->battery, &dev->dev); |
507 | return 0; | |
508 | ||
509 | err_free_name: | |
510 | kfree(psy_desc->name); | |
511 | err_free_mem: | |
512 | kfree(psy_desc); | |
513 | dev->battery = NULL; | |
514 | return error; | |
4f5ca836 JF |
515 | } |
516 | ||
517 | static void hidinput_cleanup_battery(struct hid_device *dev) | |
518 | { | |
0621809e KK |
519 | const struct power_supply_desc *psy_desc; |
520 | ||
297d716f | 521 | if (!dev->battery) |
4f5ca836 JF |
522 | return; |
523 | ||
0621809e | 524 | psy_desc = dev->battery->desc; |
297d716f | 525 | power_supply_unregister(dev->battery); |
0621809e KK |
526 | kfree(psy_desc->name); |
527 | kfree(psy_desc); | |
297d716f | 528 | dev->battery = NULL; |
4f5ca836 | 529 | } |
581c4484 DT |
530 | |
531 | static void hidinput_update_battery(struct hid_device *dev, int value) | |
532 | { | |
0152b29c DT |
533 | int capacity; |
534 | ||
581c4484 DT |
535 | if (!dev->battery) |
536 | return; | |
537 | ||
538 | if (value == 0 || value < dev->battery_min || value > dev->battery_max) | |
539 | return; | |
540 | ||
0152b29c DT |
541 | capacity = hidinput_scale_battery_capacity(dev, value); |
542 | ||
2e210bbb | 543 | if (dev->battery_status != HID_BATTERY_REPORTED || |
c6838eee | 544 | capacity != dev->battery_capacity || |
545 | ktime_after(ktime_get_coarse(), dev->battery_ratelimit_time)) { | |
0152b29c | 546 | dev->battery_capacity = capacity; |
2e210bbb | 547 | dev->battery_status = HID_BATTERY_REPORTED; |
c6838eee | 548 | dev->battery_ratelimit_time = |
549 | ktime_add_ms(ktime_get_coarse(), 30 * 1000); | |
0152b29c DT |
550 | power_supply_changed(dev->battery); |
551 | } | |
581c4484 | 552 | } |
4f5ca836 | 553 | #else /* !CONFIG_HID_BATTERY_STRENGTH */ |
581c4484 DT |
554 | static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type, |
555 | struct hid_field *field) | |
4f5ca836 | 556 | { |
581c4484 | 557 | return 0; |
4f5ca836 JF |
558 | } |
559 | ||
560 | static void hidinput_cleanup_battery(struct hid_device *dev) | |
561 | { | |
562 | } | |
581c4484 DT |
563 | |
564 | static void hidinput_update_battery(struct hid_device *dev, int value) | |
565 | { | |
566 | } | |
4f5ca836 JF |
567 | #endif /* CONFIG_HID_BATTERY_STRENGTH */ |
568 | ||
dde5845a JK |
569 | static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, |
570 | struct hid_usage *usage) | |
571 | { | |
572 | struct input_dev *input = hidinput->input; | |
e0712985 | 573 | struct hid_device *device = input_get_drvdata(input); |
3715ade9 | 574 | int max = 0, code; |
dde5845a JK |
575 | unsigned long *bit = NULL; |
576 | ||
577 | field->hidinput = hidinput; | |
578 | ||
dde5845a JK |
579 | if (field->flags & HID_MAIN_ITEM_CONSTANT) |
580 | goto ignore; | |
581 | ||
cc6b54aa BT |
582 | /* Ignore if report count is out of bounds. */ |
583 | if (field->report_count < 1) | |
584 | goto ignore; | |
585 | ||
82eb1219 JK |
586 | /* only LED usages are supported in output fields */ |
587 | if (field->report_type == HID_OUTPUT_REPORT && | |
588 | (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { | |
82eb1219 JK |
589 | goto ignore; |
590 | } | |
591 | ||
c500c971 JS |
592 | if (device->driver->input_mapping) { |
593 | int ret = device->driver->input_mapping(device, hidinput, field, | |
594 | usage, &bit, &max); | |
595 | if (ret > 0) | |
596 | goto mapped; | |
597 | if (ret < 0) | |
598 | goto ignore; | |
599 | } | |
600 | ||
dde5845a | 601 | switch (usage->hid & HID_USAGE_PAGE) { |
880d29f1 JS |
602 | case HID_UP_UNDEFINED: |
603 | goto ignore; | |
dde5845a | 604 | |
880d29f1 JS |
605 | case HID_UP_KEYBOARD: |
606 | set_bit(EV_REP, input->evbit); | |
dde5845a | 607 | |
880d29f1 JS |
608 | if ((usage->hid & HID_USAGE) < 256) { |
609 | if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; | |
610 | map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); | |
611 | } else | |
612 | map_key(KEY_UNKNOWN); | |
dde5845a | 613 | |
880d29f1 | 614 | break; |
dde5845a | 615 | |
880d29f1 | 616 | case HID_UP_BUTTON: |
7f978b9b | 617 | code = ((usage->hid - 1) & HID_USAGE); |
dde5845a | 618 | |
880d29f1 JS |
619 | switch (field->application) { |
620 | case HID_GD_MOUSE: | |
1874542d | 621 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
cf2f765f | 622 | case HID_GD_JOYSTICK: |
fc99f22c DM |
623 | if (code <= 0xf) |
624 | code += BTN_JOYSTICK; | |
625 | else | |
f8e86d05 IR |
626 | code += BTN_TRIGGER_HAPPY - 0x10; |
627 | break; | |
628 | case HID_GD_GAMEPAD: | |
629 | if (code <= 0xf) | |
630 | code += BTN_GAMEPAD; | |
631 | else | |
632 | code += BTN_TRIGGER_HAPPY - 0x10; | |
fc99f22c | 633 | break; |
880d29f1 JS |
634 | default: |
635 | switch (field->physical) { | |
636 | case HID_GD_MOUSE: | |
1874542d FF |
637 | case HID_GD_POINTER: code += BTN_MOUSE; break; |
638 | case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break; | |
639 | case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; | |
640 | default: code += BTN_MISC; | |
dde5845a | 641 | } |
880d29f1 | 642 | } |
dde5845a | 643 | |
880d29f1 JS |
644 | map_key(code); |
645 | break; | |
646 | ||
647 | case HID_UP_SIMULATION: | |
648 | switch (usage->hid & 0xffff) { | |
649 | case 0xba: map_abs(ABS_RUDDER); break; | |
650 | case 0xbb: map_abs(ABS_THROTTLE); break; | |
651 | case 0xc4: map_abs(ABS_GAS); break; | |
652 | case 0xc5: map_abs(ABS_BRAKE); break; | |
653 | case 0xc8: map_abs(ABS_WHEEL); break; | |
654 | default: goto ignore; | |
655 | } | |
656 | break; | |
657 | ||
658 | case HID_UP_GENDESK: | |
659 | if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ | |
660 | switch (usage->hid & 0xf) { | |
661 | case 0x1: map_key_clear(KEY_POWER); break; | |
662 | case 0x2: map_key_clear(KEY_SLEEP); break; | |
663 | case 0x3: map_key_clear(KEY_WAKEUP); break; | |
437f3b19 JW |
664 | case 0x4: map_key_clear(KEY_CONTEXT_MENU); break; |
665 | case 0x5: map_key_clear(KEY_MENU); break; | |
666 | case 0x6: map_key_clear(KEY_PROG1); break; | |
667 | case 0x7: map_key_clear(KEY_HELP); break; | |
668 | case 0x8: map_key_clear(KEY_EXIT); break; | |
669 | case 0x9: map_key_clear(KEY_SELECT); break; | |
670 | case 0xa: map_key_clear(KEY_RIGHT); break; | |
671 | case 0xb: map_key_clear(KEY_LEFT); break; | |
672 | case 0xc: map_key_clear(KEY_UP); break; | |
673 | case 0xd: map_key_clear(KEY_DOWN); break; | |
674 | case 0xe: map_key_clear(KEY_POWER2); break; | |
675 | case 0xf: map_key_clear(KEY_RESTART); break; | |
880d29f1 | 676 | default: goto unknown; |
dde5845a JK |
677 | } |
678 | break; | |
880d29f1 | 679 | } |
dde5845a | 680 | |
c01908a1 DT |
681 | if ((usage->hid & 0xf0) == 0xb0) { /* SC - Display */ |
682 | switch (usage->hid & 0xf) { | |
683 | case 0x05: map_key_clear(KEY_SWITCHVIDEOMODE); break; | |
684 | default: goto ignore; | |
685 | } | |
686 | break; | |
687 | } | |
688 | ||
1989dada BT |
689 | /* |
690 | * Some lazy vendors declare 255 usages for System Control, | |
691 | * leading to the creation of ABS_X|Y axis and too many others. | |
692 | * It wouldn't be a problem if joydev doesn't consider the | |
693 | * device as a joystick then. | |
694 | */ | |
695 | if (field->application == HID_GD_SYSTEM_CONTROL) | |
696 | goto ignore; | |
697 | ||
880d29f1 | 698 | if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ |
dde5845a | 699 | switch (usage->hid) { |
880d29f1 JS |
700 | case HID_GD_UP: usage->hat_dir = 1; break; |
701 | case HID_GD_DOWN: usage->hat_dir = 5; break; | |
702 | case HID_GD_RIGHT: usage->hat_dir = 3; break; | |
703 | case HID_GD_LEFT: usage->hat_dir = 7; break; | |
704 | default: goto unknown; | |
dde5845a | 705 | } |
880d29f1 JS |
706 | if (field->dpad) { |
707 | map_abs(field->dpad); | |
708 | goto ignore; | |
d4ae650a | 709 | } |
880d29f1 | 710 | map_abs(ABS_HAT0X); |
dde5845a | 711 | break; |
880d29f1 | 712 | } |
dde5845a | 713 | |
880d29f1 JS |
714 | switch (usage->hid) { |
715 | /* These usage IDs map directly to the usage codes. */ | |
716 | case HID_GD_X: case HID_GD_Y: case HID_GD_Z: | |
717 | case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: | |
79346d62 BT |
718 | if (field->flags & HID_MAIN_ITEM_RELATIVE) |
719 | map_rel(usage->hid & 0xf); | |
720 | else | |
721 | map_abs_clear(usage->hid & 0xf); | |
722 | break; | |
723 | ||
2dc702c9 PH |
724 | case HID_GD_WHEEL: |
725 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { | |
726 | set_bit(REL_WHEEL, input->relbit); | |
727 | map_rel(REL_WHEEL_HI_RES); | |
728 | } else { | |
729 | map_abs(usage->hid & 0xf); | |
730 | } | |
731 | break; | |
732 | case HID_GD_SLIDER: case HID_GD_DIAL: | |
880d29f1 JS |
733 | if (field->flags & HID_MAIN_ITEM_RELATIVE) |
734 | map_rel(usage->hid & 0xf); | |
735 | else | |
736 | map_abs(usage->hid & 0xf); | |
737 | break; | |
dde5845a | 738 | |
880d29f1 JS |
739 | case HID_GD_HATSWITCH: |
740 | usage->hat_min = field->logical_minimum; | |
741 | usage->hat_max = field->logical_maximum; | |
742 | map_abs(ABS_HAT0X); | |
743 | break; | |
dde5845a | 744 | |
880d29f1 JS |
745 | case HID_GD_START: map_key_clear(BTN_START); break; |
746 | case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; | |
dde5845a | 747 | |
61df56be HG |
748 | case HID_GD_RFKILL_BTN: |
749 | /* MS wireless radio ctl extension, also check CA */ | |
6e7edabf | 750 | if (field->application == HID_GD_WIRELESS_RADIO_CTLS) { |
61df56be HG |
751 | map_key_clear(KEY_RFKILL); |
752 | /* We need to simulate the btn release */ | |
753 | field->flags |= HID_MAIN_ITEM_RELATIVE; | |
754 | break; | |
755 | } | |
6b554275 | 756 | goto unknown; |
61df56be | 757 | |
880d29f1 JS |
758 | default: goto unknown; |
759 | } | |
dde5845a | 760 | |
880d29f1 JS |
761 | break; |
762 | ||
763 | case HID_UP_LED: | |
764 | switch (usage->hid & 0xffff) { /* HID-Value: */ | |
765 | case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ | |
766 | case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ | |
767 | case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ | |
768 | case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ | |
769 | case 0x05: map_led (LED_KANA); break; /* "Kana" */ | |
770 | case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ | |
771 | case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ | |
772 | case 0x09: map_led (LED_MUTE); break; /* "Mute" */ | |
773 | case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ | |
774 | case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ | |
775 | case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ | |
776 | ||
777 | default: goto ignore; | |
778 | } | |
779 | break; | |
780 | ||
781 | case HID_UP_DIGITIZER: | |
8473a93d TT |
782 | if ((field->application & 0xff) == 0x01) /* Digitizer */ |
783 | __set_bit(INPUT_PROP_POINTER, input->propbit); | |
784 | else if ((field->application & 0xff) == 0x02) /* Pen */ | |
785 | __set_bit(INPUT_PROP_DIRECT, input->propbit); | |
786 | ||
880d29f1 | 787 | switch (usage->hid & 0xff) { |
8c8b01c3 FB |
788 | case 0x00: /* Undefined */ |
789 | goto ignore; | |
790 | ||
880d29f1 JS |
791 | case 0x30: /* TipPressure */ |
792 | if (!test_bit(BTN_TOUCH, input->keybit)) { | |
793 | device->quirks |= HID_QUIRK_NOTOUCH; | |
794 | set_bit(EV_KEY, input->evbit); | |
795 | set_bit(BTN_TOUCH, input->keybit); | |
dde5845a | 796 | } |
880d29f1 | 797 | map_abs_clear(ABS_PRESSURE); |
dde5845a JK |
798 | break; |
799 | ||
880d29f1 JS |
800 | case 0x32: /* InRange */ |
801 | switch (field->physical & 0xff) { | |
802 | case 0x21: map_key(BTN_TOOL_MOUSE); break; | |
803 | case 0x22: map_key(BTN_TOOL_FINGER); break; | |
804 | default: map_key(BTN_TOOL_PEN); break; | |
dde5845a JK |
805 | } |
806 | break; | |
807 | ||
581c4484 DT |
808 | case 0x3b: /* Battery Strength */ |
809 | hidinput_setup_battery(device, HID_INPUT_REPORT, field); | |
810 | usage->type = EV_PWR; | |
505f394f | 811 | return; |
581c4484 | 812 | |
880d29f1 JS |
813 | case 0x3c: /* Invert */ |
814 | map_key_clear(BTN_TOOL_RUBBER); | |
dde5845a JK |
815 | break; |
816 | ||
b73b2da0 NK |
817 | case 0x3d: /* X Tilt */ |
818 | map_abs_clear(ABS_TILT_X); | |
819 | break; | |
820 | ||
821 | case 0x3e: /* Y Tilt */ | |
822 | map_abs_clear(ABS_TILT_Y); | |
823 | break; | |
824 | ||
880d29f1 JS |
825 | case 0x33: /* Touch */ |
826 | case 0x42: /* TipSwitch */ | |
827 | case 0x43: /* TipSwitch2 */ | |
828 | device->quirks &= ~HID_QUIRK_NOTOUCH; | |
829 | map_key_clear(BTN_TOUCH); | |
830 | break; | |
dde5845a | 831 | |
880d29f1 JS |
832 | case 0x44: /* BarrelSwitch */ |
833 | map_key_clear(BTN_STYLUS); | |
834 | break; | |
dde5845a | 835 | |
654c192a PC |
836 | case 0x45: /* ERASER */ |
837 | /* | |
838 | * This event is reported when eraser tip touches the surface. | |
839 | * Actual eraser (BTN_TOOL_RUBBER) is set by Invert usage when | |
840 | * tool gets in proximity. | |
841 | */ | |
842 | map_key_clear(BTN_TOUCH); | |
843 | break; | |
844 | ||
50b63697 | 845 | case 0x46: /* TabletPick */ |
368c9664 | 846 | case 0x5a: /* SecondaryBarrelSwitch */ |
50b63697 NK |
847 | map_key_clear(BTN_STYLUS2); |
848 | break; | |
849 | ||
368c9664 | 850 | case 0x5b: /* TransducerSerialNumber */ |
5989a55a JG |
851 | usage->type = EV_MSC; |
852 | usage->code = MSC_SERIAL; | |
853 | bit = input->mscbit; | |
854 | max = MSC_MAX; | |
368c9664 PC |
855 | break; |
856 | ||
880d29f1 JS |
857 | default: goto unknown; |
858 | } | |
859 | break; | |
860 | ||
f3dddf24 DT |
861 | case HID_UP_TELEPHONY: |
862 | switch (usage->hid & HID_USAGE) { | |
863 | case 0x2f: map_key_clear(KEY_MICMUTE); break; | |
864 | case 0xb0: map_key_clear(KEY_NUMERIC_0); break; | |
865 | case 0xb1: map_key_clear(KEY_NUMERIC_1); break; | |
866 | case 0xb2: map_key_clear(KEY_NUMERIC_2); break; | |
867 | case 0xb3: map_key_clear(KEY_NUMERIC_3); break; | |
868 | case 0xb4: map_key_clear(KEY_NUMERIC_4); break; | |
869 | case 0xb5: map_key_clear(KEY_NUMERIC_5); break; | |
870 | case 0xb6: map_key_clear(KEY_NUMERIC_6); break; | |
871 | case 0xb7: map_key_clear(KEY_NUMERIC_7); break; | |
872 | case 0xb8: map_key_clear(KEY_NUMERIC_8); break; | |
873 | case 0xb9: map_key_clear(KEY_NUMERIC_9); break; | |
874 | case 0xba: map_key_clear(KEY_NUMERIC_STAR); break; | |
875 | case 0xbb: map_key_clear(KEY_NUMERIC_POUND); break; | |
876 | case 0xbc: map_key_clear(KEY_NUMERIC_A); break; | |
877 | case 0xbd: map_key_clear(KEY_NUMERIC_B); break; | |
878 | case 0xbe: map_key_clear(KEY_NUMERIC_C); break; | |
879 | case 0xbf: map_key_clear(KEY_NUMERIC_D); break; | |
880 | default: goto ignore; | |
881 | } | |
882 | break; | |
883 | ||
437f3b19 | 884 | case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ |
880d29f1 JS |
885 | switch (usage->hid & HID_USAGE) { |
886 | case 0x000: goto ignore; | |
437f3b19 JW |
887 | case 0x030: map_key_clear(KEY_POWER); break; |
888 | case 0x031: map_key_clear(KEY_RESTART); break; | |
889 | case 0x032: map_key_clear(KEY_SLEEP); break; | |
880d29f1 | 890 | case 0x034: map_key_clear(KEY_SLEEP); break; |
437f3b19 | 891 | case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break; |
880d29f1 JS |
892 | case 0x036: map_key_clear(BTN_MISC); break; |
893 | ||
437f3b19 JW |
894 | case 0x040: map_key_clear(KEY_MENU); break; /* Menu */ |
895 | case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */ | |
896 | case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */ | |
897 | case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */ | |
898 | case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */ | |
899 | case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */ | |
900 | case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */ | |
901 | case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ | |
902 | case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ | |
903 | ||
904 | case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */ | |
905 | case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */ | |
906 | case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */ | |
907 | case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */ | |
908 | case 0x069: map_key_clear(KEY_RED); break; | |
909 | case 0x06a: map_key_clear(KEY_GREEN); break; | |
910 | case 0x06b: map_key_clear(KEY_BLUE); break; | |
911 | case 0x06c: map_key_clear(KEY_YELLOW); break; | |
f7b3d85a | 912 | case 0x06d: map_key_clear(KEY_ASPECT_RATIO); break; |
437f3b19 | 913 | |
f362e690 OG |
914 | case 0x06f: map_key_clear(KEY_BRIGHTNESSUP); break; |
915 | case 0x070: map_key_clear(KEY_BRIGHTNESSDOWN); break; | |
916 | case 0x072: map_key_clear(KEY_BRIGHTNESS_TOGGLE); break; | |
917 | case 0x073: map_key_clear(KEY_BRIGHTNESS_MIN); break; | |
918 | case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break; | |
919 | case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break; | |
920 | ||
7975a1d6 DT |
921 | case 0x079: map_key_clear(KEY_KBDILLUMUP); break; |
922 | case 0x07a: map_key_clear(KEY_KBDILLUMDOWN); break; | |
923 | case 0x07c: map_key_clear(KEY_KBDILLUMTOGGLE); break; | |
924 | ||
437f3b19 | 925 | case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; |
880d29f1 | 926 | case 0x083: map_key_clear(KEY_LAST); break; |
437f3b19 | 927 | case 0x084: map_key_clear(KEY_ENTER); break; |
880d29f1 JS |
928 | case 0x088: map_key_clear(KEY_PC); break; |
929 | case 0x089: map_key_clear(KEY_TV); break; | |
930 | case 0x08a: map_key_clear(KEY_WWW); break; | |
931 | case 0x08b: map_key_clear(KEY_DVD); break; | |
932 | case 0x08c: map_key_clear(KEY_PHONE); break; | |
933 | case 0x08d: map_key_clear(KEY_PROGRAM); break; | |
934 | case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; | |
935 | case 0x08f: map_key_clear(KEY_GAMES); break; | |
936 | case 0x090: map_key_clear(KEY_MEMO); break; | |
937 | case 0x091: map_key_clear(KEY_CD); break; | |
938 | case 0x092: map_key_clear(KEY_VCR); break; | |
939 | case 0x093: map_key_clear(KEY_TUNER); break; | |
940 | case 0x094: map_key_clear(KEY_EXIT); break; | |
941 | case 0x095: map_key_clear(KEY_HELP); break; | |
942 | case 0x096: map_key_clear(KEY_TAPE); break; | |
943 | case 0x097: map_key_clear(KEY_TV2); break; | |
944 | case 0x098: map_key_clear(KEY_SAT); break; | |
945 | case 0x09a: map_key_clear(KEY_PVR); break; | |
946 | ||
947 | case 0x09c: map_key_clear(KEY_CHANNELUP); break; | |
948 | case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; | |
949 | case 0x0a0: map_key_clear(KEY_VCR2); break; | |
950 | ||
951 | case 0x0b0: map_key_clear(KEY_PLAY); break; | |
952 | case 0x0b1: map_key_clear(KEY_PAUSE); break; | |
953 | case 0x0b2: map_key_clear(KEY_RECORD); break; | |
954 | case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; | |
955 | case 0x0b4: map_key_clear(KEY_REWIND); break; | |
956 | case 0x0b5: map_key_clear(KEY_NEXTSONG); break; | |
957 | case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; | |
958 | case 0x0b7: map_key_clear(KEY_STOPCD); break; | |
959 | case 0x0b8: map_key_clear(KEY_EJECTCD); break; | |
960 | case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; | |
437f3b19 JW |
961 | case 0x0b9: map_key_clear(KEY_SHUFFLE); break; |
962 | case 0x0bf: map_key_clear(KEY_SLOW); break; | |
880d29f1 JS |
963 | |
964 | case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; | |
f362e690 | 965 | case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break; |
880d29f1 JS |
966 | case 0x0e0: map_abs_clear(ABS_VOLUME); break; |
967 | case 0x0e2: map_key_clear(KEY_MUTE); break; | |
968 | case 0x0e5: map_key_clear(KEY_BASSBOOST); break; | |
969 | case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; | |
970 | case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; | |
437f3b19 | 971 | case 0x0f5: map_key_clear(KEY_SLOW); break; |
880d29f1 | 972 | |
f362e690 | 973 | case 0x181: map_key_clear(KEY_BUTTONCONFIG); break; |
880d29f1 JS |
974 | case 0x182: map_key_clear(KEY_BOOKMARKS); break; |
975 | case 0x183: map_key_clear(KEY_CONFIG); break; | |
976 | case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; | |
977 | case 0x185: map_key_clear(KEY_EDITOR); break; | |
978 | case 0x186: map_key_clear(KEY_SPREADSHEET); break; | |
979 | case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; | |
980 | case 0x188: map_key_clear(KEY_PRESENTATION); break; | |
981 | case 0x189: map_key_clear(KEY_DATABASE); break; | |
982 | case 0x18a: map_key_clear(KEY_MAIL); break; | |
983 | case 0x18b: map_key_clear(KEY_NEWS); break; | |
984 | case 0x18c: map_key_clear(KEY_VOICEMAIL); break; | |
985 | case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; | |
986 | case 0x18e: map_key_clear(KEY_CALENDAR); break; | |
f362e690 OG |
987 | case 0x18f: map_key_clear(KEY_TASKMANAGER); break; |
988 | case 0x190: map_key_clear(KEY_JOURNAL); break; | |
880d29f1 JS |
989 | case 0x191: map_key_clear(KEY_FINANCE); break; |
990 | case 0x192: map_key_clear(KEY_CALC); break; | |
437f3b19 | 991 | case 0x193: map_key_clear(KEY_PLAYER); break; |
880d29f1 JS |
992 | case 0x194: map_key_clear(KEY_FILE); break; |
993 | case 0x196: map_key_clear(KEY_WWW); break; | |
0690535d | 994 | case 0x199: map_key_clear(KEY_CHAT); break; |
880d29f1 JS |
995 | case 0x19c: map_key_clear(KEY_LOGOFF); break; |
996 | case 0x19e: map_key_clear(KEY_COFFEE); break; | |
f362e690 OG |
997 | case 0x19f: map_key_clear(KEY_CONTROLPANEL); break; |
998 | case 0x1a2: map_key_clear(KEY_APPSELECT); break; | |
5820e4d4 HG |
999 | case 0x1a3: map_key_clear(KEY_NEXT); break; |
1000 | case 0x1a4: map_key_clear(KEY_PREVIOUS); break; | |
880d29f1 JS |
1001 | case 0x1a6: map_key_clear(KEY_HELP); break; |
1002 | case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; | |
1003 | case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; | |
437f3b19 | 1004 | case 0x1ae: map_key_clear(KEY_KEYBOARD); break; |
f362e690 | 1005 | case 0x1b1: map_key_clear(KEY_SCREENSAVER); break; |
5820e4d4 | 1006 | case 0x1b4: map_key_clear(KEY_FILE); break; |
437f3b19 JW |
1007 | case 0x1b6: map_key_clear(KEY_IMAGES); break; |
1008 | case 0x1b7: map_key_clear(KEY_AUDIO); break; | |
1009 | case 0x1b8: map_key_clear(KEY_VIDEO); break; | |
880d29f1 JS |
1010 | case 0x1bc: map_key_clear(KEY_MESSENGER); break; |
1011 | case 0x1bd: map_key_clear(KEY_INFO); break; | |
ce856634 | 1012 | case 0x1cb: map_key_clear(KEY_ASSISTANT); break; |
880d29f1 JS |
1013 | case 0x201: map_key_clear(KEY_NEW); break; |
1014 | case 0x202: map_key_clear(KEY_OPEN); break; | |
1015 | case 0x203: map_key_clear(KEY_CLOSE); break; | |
1016 | case 0x204: map_key_clear(KEY_EXIT); break; | |
1017 | case 0x207: map_key_clear(KEY_SAVE); break; | |
1018 | case 0x208: map_key_clear(KEY_PRINT); break; | |
1019 | case 0x209: map_key_clear(KEY_PROPS); break; | |
1020 | case 0x21a: map_key_clear(KEY_UNDO); break; | |
1021 | case 0x21b: map_key_clear(KEY_COPY); break; | |
1022 | case 0x21c: map_key_clear(KEY_CUT); break; | |
1023 | case 0x21d: map_key_clear(KEY_PASTE); break; | |
1024 | case 0x21f: map_key_clear(KEY_FIND); break; | |
1025 | case 0x221: map_key_clear(KEY_SEARCH); break; | |
1026 | case 0x222: map_key_clear(KEY_GOTO); break; | |
1027 | case 0x223: map_key_clear(KEY_HOMEPAGE); break; | |
1028 | case 0x224: map_key_clear(KEY_BACK); break; | |
1029 | case 0x225: map_key_clear(KEY_FORWARD); break; | |
1030 | case 0x226: map_key_clear(KEY_STOP); break; | |
1031 | case 0x227: map_key_clear(KEY_REFRESH); break; | |
1032 | case 0x22a: map_key_clear(KEY_BOOKMARKS); break; | |
1033 | case 0x22d: map_key_clear(KEY_ZOOMIN); break; | |
1034 | case 0x22e: map_key_clear(KEY_ZOOMOUT); break; | |
1035 | case 0x22f: map_key_clear(KEY_ZOOMRESET); break; | |
afbbaa1b | 1036 | case 0x232: map_key_clear(KEY_FULL_SCREEN); break; |
880d29f1 JS |
1037 | case 0x233: map_key_clear(KEY_SCROLLUP); break; |
1038 | case 0x234: map_key_clear(KEY_SCROLLDOWN); break; | |
2dc702c9 PH |
1039 | case 0x238: /* AC Pan */ |
1040 | set_bit(REL_HWHEEL, input->relbit); | |
1041 | map_rel(REL_HWHEEL_HI_RES); | |
1042 | break; | |
437f3b19 | 1043 | case 0x23d: map_key_clear(KEY_EDIT); break; |
880d29f1 | 1044 | case 0x25f: map_key_clear(KEY_CANCEL); break; |
437f3b19 JW |
1045 | case 0x269: map_key_clear(KEY_INSERT); break; |
1046 | case 0x26a: map_key_clear(KEY_DELETE); break; | |
880d29f1 JS |
1047 | case 0x279: map_key_clear(KEY_REDO); break; |
1048 | ||
1049 | case 0x289: map_key_clear(KEY_REPLY); break; | |
1050 | case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; | |
1051 | case 0x28c: map_key_clear(KEY_SEND); break; | |
1052 | ||
bd21d847 DT |
1053 | case 0x29d: map_key_clear(KEY_KBD_LAYOUT_NEXT); break; |
1054 | ||
f974008f OG |
1055 | case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV); break; |
1056 | case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT); break; | |
1057 | case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP); break; | |
1058 | case 0x2ca: map_key_clear(KEY_KBDINPUTASSIST_NEXTGROUP); break; | |
1059 | case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT); break; | |
1060 | case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL); break; | |
1061 | ||
96dd8687 DT |
1062 | case 0x29f: map_key_clear(KEY_SCALE); break; |
1063 | ||
afdb5cce | 1064 | default: map_key_clear(KEY_UNKNOWN); |
880d29f1 JS |
1065 | } |
1066 | break; | |
1067 | ||
4f5ca836 | 1068 | case HID_UP_GENDEVCTRLS: |
581c4484 DT |
1069 | switch (usage->hid) { |
1070 | case HID_DC_BATTERYSTRENGTH: | |
1071 | hidinput_setup_battery(device, HID_INPUT_REPORT, field); | |
1072 | usage->type = EV_PWR; | |
505f394f | 1073 | return; |
581c4484 DT |
1074 | } |
1075 | goto unknown; | |
4f5ca836 | 1076 | |
880d29f1 JS |
1077 | case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ |
1078 | set_bit(EV_REP, input->evbit); | |
1079 | switch (usage->hid & HID_USAGE) { | |
1080 | case 0x021: map_key_clear(KEY_PRINT); break; | |
1081 | case 0x070: map_key_clear(KEY_HP); break; | |
1082 | case 0x071: map_key_clear(KEY_CAMERA); break; | |
1083 | case 0x072: map_key_clear(KEY_SOUND); break; | |
1084 | case 0x073: map_key_clear(KEY_QUESTION); break; | |
1085 | case 0x080: map_key_clear(KEY_EMAIL); break; | |
1086 | case 0x081: map_key_clear(KEY_CHAT); break; | |
1087 | case 0x082: map_key_clear(KEY_SEARCH); break; | |
1088 | case 0x083: map_key_clear(KEY_CONNECT); break; | |
1089 | case 0x084: map_key_clear(KEY_FINANCE); break; | |
1090 | case 0x085: map_key_clear(KEY_SPORT); break; | |
1091 | case 0x086: map_key_clear(KEY_SHOP); break; | |
929578ab KYL |
1092 | default: goto ignore; |
1093 | } | |
1094 | break; | |
1095 | ||
1096 | case HID_UP_HPVENDOR2: | |
1097 | set_bit(EV_REP, input->evbit); | |
1098 | switch (usage->hid & HID_USAGE) { | |
08fc9473 | 1099 | case 0x001: map_key_clear(KEY_MICMUTE); break; |
929578ab KYL |
1100 | case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break; |
1101 | case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break; | |
880d29f1 JS |
1102 | default: goto ignore; |
1103 | } | |
1104 | break; | |
dde5845a | 1105 | |
880d29f1 JS |
1106 | case HID_UP_MSVENDOR: |
1107 | goto ignore; | |
dde5845a | 1108 | |
880d29f1 JS |
1109 | case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ |
1110 | set_bit(EV_REP, input->evbit); | |
1111 | goto ignore; | |
dde5845a | 1112 | |
880d29f1 | 1113 | case HID_UP_LOGIVENDOR: |
b466c1dd SW |
1114 | /* intentional fallback */ |
1115 | case HID_UP_LOGIVENDOR2: | |
1116 | /* intentional fallback */ | |
1117 | case HID_UP_LOGIVENDOR3: | |
880d29f1 | 1118 | goto ignore; |
fc99f22c | 1119 | |
880d29f1 JS |
1120 | case HID_UP_PID: |
1121 | switch (usage->hid & HID_USAGE) { | |
1122 | case 0xa4: map_key_clear(BTN_DEAD); break; | |
1123 | default: goto ignore; | |
1124 | } | |
1125 | break; | |
dde5845a | 1126 | |
880d29f1 JS |
1127 | default: |
1128 | unknown: | |
1129 | if (field->report_size == 1) { | |
1130 | if (field->report->type == HID_OUTPUT_REPORT) { | |
1131 | map_led(LED_MISC); | |
dde5845a JK |
1132 | break; |
1133 | } | |
880d29f1 | 1134 | map_key(BTN_MISC); |
dde5845a | 1135 | break; |
880d29f1 JS |
1136 | } |
1137 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { | |
1138 | map_rel(REL_MISC); | |
1139 | break; | |
1140 | } | |
1141 | map_abs(ABS_MISC); | |
1142 | break; | |
dde5845a JK |
1143 | } |
1144 | ||
10bd065f | 1145 | mapped: |
35556bed MZ |
1146 | /* Mapping failed, bail out */ |
1147 | if (!bit) | |
1148 | return; | |
1149 | ||
4f388217 DT |
1150 | if (device->driver->input_mapped && |
1151 | device->driver->input_mapped(device, hidinput, field, usage, | |
1152 | &bit, &max) < 0) { | |
1153 | /* | |
1154 | * The driver indicated that no further generic handling | |
1155 | * of the usage is desired. | |
1156 | */ | |
1157 | return; | |
1158 | } | |
c500c971 | 1159 | |
dde5845a JK |
1160 | set_bit(usage->type, input->evbit); |
1161 | ||
190d7f02 BT |
1162 | /* |
1163 | * This part is *really* controversial: | |
1164 | * - HID aims at being generic so we should do our best to export | |
1165 | * all incoming events | |
1166 | * - HID describes what events are, so there is no reason for ABS_X | |
1167 | * to be mapped to ABS_Y | |
1168 | * - HID is using *_MISC+N as a default value, but nothing prevents | |
1169 | * *_MISC+N to overwrite a legitimate even, which confuses userspace | |
1170 | * (for instance ABS_MISC + 7 is ABS_MT_SLOT, which has a different | |
1171 | * processing) | |
1172 | * | |
1173 | * If devices still want to use this (at their own risk), they will | |
1174 | * have to use the quirk HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE, but | |
1175 | * the default should be a reliable mapping. | |
1176 | */ | |
1177 | while (usage->code <= max && test_and_set_bit(usage->code, bit)) { | |
1178 | if (device->quirks & HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE) { | |
1179 | usage->code = find_next_zero_bit(bit, | |
1180 | max + 1, | |
1181 | usage->code); | |
1182 | } else { | |
1183 | device->status |= HID_STAT_DUP_DETECTED; | |
1184 | goto ignore; | |
1185 | } | |
1186 | } | |
dde5845a JK |
1187 | |
1188 | if (usage->code > max) | |
1189 | goto ignore; | |
1190 | ||
dde5845a JK |
1191 | if (usage->type == EV_ABS) { |
1192 | ||
1193 | int a = field->logical_minimum; | |
1194 | int b = field->logical_maximum; | |
1195 | ||
1196 | if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { | |
1197 | a = field->logical_minimum = 0; | |
1198 | b = field->logical_maximum = 255; | |
1199 | } | |
1200 | ||
1201 | if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) | |
1202 | input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); | |
1203 | else input_set_abs_params(input, usage->code, a, b, 0, 0); | |
1204 | ||
4ea6e4ff NK |
1205 | input_abs_set_res(input, usage->code, |
1206 | hidinput_calc_abs_res(field, usage->code)); | |
1207 | ||
6967b4d9 HR |
1208 | /* use a larger default input buffer for MT devices */ |
1209 | if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) | |
1210 | input_set_events_per_packet(input, 60); | |
dde5845a JK |
1211 | } |
1212 | ||
1213 | if (usage->type == EV_ABS && | |
1214 | (usage->hat_min < usage->hat_max || usage->hat_dir)) { | |
1215 | int i; | |
1216 | for (i = usage->code; i < usage->code + 2 && i <= max; i++) { | |
1217 | input_set_abs_params(input, i, -1, 1, 0, 0); | |
1218 | set_bit(i, input->absbit); | |
1219 | } | |
1220 | if (usage->hat_dir && !field->dpad) | |
1221 | field->dpad = usage->code; | |
1222 | } | |
1223 | ||
2c1d8aea JK |
1224 | /* for those devices which produce Consumer volume usage as relative, |
1225 | * we emulate pressing volumeup/volumedown appropriate number of times | |
1226 | * in hidinput_hid_event() | |
1227 | */ | |
1228 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && | |
1229 | (usage->code == ABS_VOLUME)) { | |
1230 | set_bit(KEY_VOLUMEUP, input->keybit); | |
1231 | set_bit(KEY_VOLUMEDOWN, input->keybit); | |
1232 | } | |
1233 | ||
c01d50d1 JK |
1234 | if (usage->type == EV_KEY) { |
1235 | set_bit(EV_MSC, input->evbit); | |
1236 | set_bit(MSC_SCAN, input->mscbit); | |
1237 | } | |
1238 | ||
dde5845a | 1239 | return; |
a635f9dd | 1240 | |
4f388217 DT |
1241 | ignore: |
1242 | usage->type = 0; | |
1243 | usage->code = 0; | |
dde5845a JK |
1244 | } |
1245 | ||
2dc702c9 PH |
1246 | static void hidinput_handle_scroll(struct hid_usage *usage, |
1247 | struct input_dev *input, | |
1248 | __s32 value) | |
1249 | { | |
1250 | int code; | |
1251 | int hi_res, lo_res; | |
1252 | ||
1253 | if (value == 0) | |
1254 | return; | |
1255 | ||
1256 | if (usage->code == REL_WHEEL_HI_RES) | |
1257 | code = REL_WHEEL; | |
1258 | else | |
1259 | code = REL_HWHEEL; | |
1260 | ||
1261 | /* | |
1262 | * Windows reports one wheel click as value 120. Where a high-res | |
1263 | * scroll wheel is present, a fraction of 120 is reported instead. | |
1264 | * Our REL_WHEEL_HI_RES axis does the same because all HW must | |
1265 | * adhere to the 120 expectation. | |
1266 | */ | |
1267 | hi_res = value * 120/usage->resolution_multiplier; | |
1268 | ||
1269 | usage->wheel_accumulated += hi_res; | |
1270 | lo_res = usage->wheel_accumulated/120; | |
1271 | if (lo_res) | |
1272 | usage->wheel_accumulated -= lo_res * 120; | |
1273 | ||
1274 | input_event(input, EV_REL, code, lo_res); | |
1275 | input_event(input, EV_REL, usage->code, hi_res); | |
1276 | } | |
1277 | ||
dde5845a JK |
1278 | void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) |
1279 | { | |
1280 | struct input_dev *input; | |
b4482a4b | 1281 | unsigned *quirks = &hid->quirks; |
dde5845a | 1282 | |
581c4484 | 1283 | if (!usage->type) |
dde5845a JK |
1284 | return; |
1285 | ||
581c4484 DT |
1286 | if (usage->type == EV_PWR) { |
1287 | hidinput_update_battery(hid, value); | |
1288 | return; | |
1289 | } | |
dde5845a | 1290 | |
581c4484 | 1291 | if (!field->hidinput) |
dde5845a JK |
1292 | return; |
1293 | ||
581c4484 DT |
1294 | input = field->hidinput->input; |
1295 | ||
dde5845a JK |
1296 | if (usage->hat_min < usage->hat_max || usage->hat_dir) { |
1297 | int hat_dir = usage->hat_dir; | |
1298 | if (!hat_dir) | |
1299 | hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; | |
1300 | if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; | |
1301 | input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); | |
fc99f22c DM |
1302 | input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); |
1303 | return; | |
1304 | } | |
dde5845a JK |
1305 | |
1306 | if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ | |
1307 | *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); | |
1308 | return; | |
1309 | } | |
1310 | ||
1311 | if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ | |
1312 | if (value) { | |
1313 | input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); | |
1314 | return; | |
1315 | } | |
1316 | input_event(input, usage->type, usage->code, 0); | |
1317 | input_event(input, usage->type, BTN_TOOL_RUBBER, 0); | |
1318 | return; | |
1319 | } | |
1320 | ||
1321 | if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ | |
1322 | int a = field->logical_minimum; | |
1323 | int b = field->logical_maximum; | |
1324 | input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); | |
1325 | } | |
1326 | ||
1327 | if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ | |
58037eb9 | 1328 | dbg_hid("Maximum Effects - %d\n",value); |
dde5845a JK |
1329 | return; |
1330 | } | |
1331 | ||
1332 | if (usage->hid == (HID_UP_PID | 0x7fUL)) { | |
58037eb9 | 1333 | dbg_hid("PID Pool Report\n"); |
dde5845a JK |
1334 | return; |
1335 | } | |
1336 | ||
1337 | if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ | |
1338 | return; | |
1339 | ||
2dc702c9 PH |
1340 | if ((usage->type == EV_REL) && (usage->code == REL_WHEEL_HI_RES || |
1341 | usage->code == REL_HWHEEL_HI_RES)) { | |
1342 | hidinput_handle_scroll(usage, input, value); | |
1343 | return; | |
1344 | } | |
1345 | ||
2c1d8aea JK |
1346 | if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
1347 | (usage->code == ABS_VOLUME)) { | |
1348 | int count = abs(value); | |
1349 | int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; | |
1350 | int i; | |
1351 | ||
1352 | for (i = 0; i < count; i++) { | |
1353 | input_event(input, EV_KEY, direction, 1); | |
1354 | input_sync(input); | |
1355 | input_event(input, EV_KEY, direction, 0); | |
1356 | input_sync(input); | |
1357 | } | |
1358 | return; | |
1359 | } | |
1360 | ||
883e0e36 NK |
1361 | /* |
1362 | * Ignore out-of-range values as per HID specification, | |
c3883fe0 TK |
1363 | * section 5.10 and 6.2.25, when NULL state bit is present. |
1364 | * When it's not, clamp the value to match Microsoft's input | |
1365 | * driver as mentioned in "Required HID usages for digitizers": | |
1366 | * https://msdn.microsoft.com/en-us/library/windows/hardware/dn672278(v=vs.85).asp | |
a688393b JK |
1367 | * |
1368 | * The logical_minimum < logical_maximum check is done so that we | |
1369 | * don't unintentionally discard values sent by devices which | |
1370 | * don't specify logical min and max. | |
883e0e36 NK |
1371 | */ |
1372 | if ((field->flags & HID_MAIN_ITEM_VARIABLE) && | |
c3883fe0 TK |
1373 | (field->logical_minimum < field->logical_maximum)) { |
1374 | if (field->flags & HID_MAIN_ITEM_NULL_STATE && | |
1375 | (value < field->logical_minimum || | |
1376 | value > field->logical_maximum)) { | |
1377 | dbg_hid("Ignoring out-of-range value %x\n", value); | |
1378 | return; | |
1379 | } | |
1380 | value = clamp(value, | |
1381 | field->logical_minimum, | |
1382 | field->logical_maximum); | |
6da70669 JK |
1383 | } |
1384 | ||
6ce901eb DH |
1385 | /* |
1386 | * Ignore reports for absolute data if the data didn't change. This is | |
1387 | * not only an optimization but also fixes 'dead' key reports. Some | |
1388 | * RollOver implementations for localized keys (like BACKSLASH/PIPE; HID | |
1389 | * 0x31 and 0x32) report multiple keys, even though a localized keyboard | |
1390 | * can only have one of them physically available. The 'dead' keys | |
1391 | * report constant 0. As all map to the same keycode, they'd confuse | |
1392 | * the input layer. If we filter the 'dead' keys on the HID level, we | |
1393 | * skip the keycode translation and only forward real events. | |
1394 | */ | |
1395 | if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | | |
1396 | HID_MAIN_ITEM_BUFFERED_BYTE)) && | |
8e7b3410 | 1397 | (field->flags & HID_MAIN_ITEM_VARIABLE) && |
6ce901eb DH |
1398 | usage->usage_index < field->maxusage && |
1399 | value == field->value[usage->usage_index]) | |
1400 | return; | |
1401 | ||
c01d50d1 | 1402 | /* report the usage code as scancode if the key status has changed */ |
323ddaa8 JB |
1403 | if (usage->type == EV_KEY && |
1404 | (!test_bit(usage->code, input->key)) == value) | |
c01d50d1 | 1405 | input_event(input, EV_MSC, MSC_SCAN, usage->hid); |
1fe8736d | 1406 | |
dde5845a JK |
1407 | input_event(input, usage->type, usage->code, value); |
1408 | ||
3eb4351a DT |
1409 | if ((field->flags & HID_MAIN_ITEM_RELATIVE) && |
1410 | usage->type == EV_KEY && value) { | |
1411 | input_sync(input); | |
dde5845a | 1412 | input_event(input, usage->type, usage->code, 0); |
3eb4351a | 1413 | } |
dde5845a JK |
1414 | } |
1415 | ||
1416 | void hidinput_report_event(struct hid_device *hid, struct hid_report *report) | |
1417 | { | |
1418 | struct hid_input *hidinput; | |
1419 | ||
24750f3e HR |
1420 | if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) |
1421 | return; | |
1422 | ||
dde5845a JK |
1423 | list_for_each_entry(hidinput, &hid->inputs, list) |
1424 | input_sync(hidinput->input); | |
1425 | } | |
229695e5 | 1426 | EXPORT_SYMBOL_GPL(hidinput_report_event); |
dde5845a | 1427 | |
229695e5 | 1428 | int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) |
dde5845a JK |
1429 | { |
1430 | struct hid_report *report; | |
1431 | int i, j; | |
1432 | ||
1433 | list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { | |
1434 | for (i = 0; i < report->maxfield; i++) { | |
1435 | *field = report->field[i]; | |
1436 | for (j = 0; j < (*field)->maxusage; j++) | |
1437 | if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) | |
1438 | return j; | |
1439 | } | |
1440 | } | |
1441 | return -1; | |
1442 | } | |
229695e5 | 1443 | EXPORT_SYMBOL_GPL(hidinput_find_field); |
dde5845a | 1444 | |
4371ea82 DK |
1445 | struct hid_field *hidinput_get_led_field(struct hid_device *hid) |
1446 | { | |
1447 | struct hid_report *report; | |
1448 | struct hid_field *field; | |
1449 | int i, j; | |
1450 | ||
1451 | list_for_each_entry(report, | |
1452 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, | |
1453 | list) { | |
1454 | for (i = 0; i < report->maxfield; i++) { | |
1455 | field = report->field[i]; | |
1456 | for (j = 0; j < field->maxusage; j++) | |
1457 | if (field->usage[j].type == EV_LED) | |
1458 | return field; | |
1459 | } | |
1460 | } | |
1461 | return NULL; | |
1462 | } | |
1463 | EXPORT_SYMBOL_GPL(hidinput_get_led_field); | |
1464 | ||
1465 | unsigned int hidinput_count_leds(struct hid_device *hid) | |
1466 | { | |
1467 | struct hid_report *report; | |
1468 | struct hid_field *field; | |
1469 | int i, j; | |
1470 | unsigned int count = 0; | |
1471 | ||
1472 | list_for_each_entry(report, | |
1473 | &hid->report_enum[HID_OUTPUT_REPORT].report_list, | |
1474 | list) { | |
1475 | for (i = 0; i < report->maxfield; i++) { | |
1476 | field = report->field[i]; | |
1477 | for (j = 0; j < field->maxusage; j++) | |
1478 | if (field->usage[j].type == EV_LED && | |
1479 | field->value[j]) | |
1480 | count += 1; | |
1481 | } | |
1482 | } | |
1483 | return count; | |
1484 | } | |
1485 | EXPORT_SYMBOL_GPL(hidinput_count_leds); | |
1486 | ||
50c9d75b DH |
1487 | static void hidinput_led_worker(struct work_struct *work) |
1488 | { | |
1489 | struct hid_device *hid = container_of(work, struct hid_device, | |
1490 | led_work); | |
1491 | struct hid_field *field; | |
1492 | struct hid_report *report; | |
3064a03b AM |
1493 | int ret; |
1494 | u32 len; | |
50c9d75b DH |
1495 | __u8 *buf; |
1496 | ||
1497 | field = hidinput_get_led_field(hid); | |
1498 | if (!field) | |
1499 | return; | |
1500 | ||
1501 | /* | |
1502 | * field->report is accessed unlocked regarding HID core. So there might | |
1503 | * be another incoming SET-LED request from user-space, which changes | |
1504 | * the LED state while we assemble our outgoing buffer. However, this | |
1505 | * doesn't matter as hid_output_report() correctly converts it into a | |
1506 | * boolean value no matter what information is currently set on the LED | |
1507 | * field (even garbage). So the remote device will always get a valid | |
1508 | * request. | |
1509 | * And in case we send a wrong value, a next led worker is spawned | |
1510 | * for every SET-LED request so the following worker will send the | |
1511 | * correct value, guaranteed! | |
1512 | */ | |
1513 | ||
1514 | report = field->report; | |
1515 | ||
1516 | /* use custom SET_REPORT request if possible (asynchronous) */ | |
1517 | if (hid->ll_driver->request) | |
1518 | return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); | |
1519 | ||
1520 | /* fall back to generic raw-output-report */ | |
dabb05c6 | 1521 | len = hid_report_len(report); |
9d27f432 | 1522 | buf = hid_alloc_report_buf(report, GFP_KERNEL); |
50c9d75b DH |
1523 | if (!buf) |
1524 | return; | |
1525 | ||
1526 | hid_output_report(report, buf); | |
1527 | /* synchronous output report */ | |
2ebaebcf BT |
1528 | ret = hid_hw_output_report(hid, buf, len); |
1529 | if (ret == -ENOSYS) | |
1530 | hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, | |
1531 | HID_REQ_SET_REPORT); | |
50c9d75b DH |
1532 | kfree(buf); |
1533 | } | |
1534 | ||
1535 | static int hidinput_input_event(struct input_dev *dev, unsigned int type, | |
1536 | unsigned int code, int value) | |
1537 | { | |
1538 | struct hid_device *hid = input_get_drvdata(dev); | |
1539 | struct hid_field *field; | |
1540 | int offset; | |
1541 | ||
1542 | if (type == EV_FF) | |
1543 | return input_ff_event(dev, type, code, value); | |
1544 | ||
1545 | if (type != EV_LED) | |
1546 | return -1; | |
1547 | ||
1548 | if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { | |
1549 | hid_warn(dev, "event field not found\n"); | |
1550 | return -1; | |
1551 | } | |
1552 | ||
1553 | hid_set_field(field, offset, value); | |
1554 | ||
1555 | schedule_work(&hid->led_work); | |
1556 | return 0; | |
1557 | } | |
1558 | ||
7c379146 JK |
1559 | static int hidinput_open(struct input_dev *dev) |
1560 | { | |
e0712985 DT |
1561 | struct hid_device *hid = input_get_drvdata(dev); |
1562 | ||
5bea7660 | 1563 | return hid_hw_open(hid); |
7c379146 JK |
1564 | } |
1565 | ||
1566 | static void hidinput_close(struct input_dev *dev) | |
1567 | { | |
e0712985 DT |
1568 | struct hid_device *hid = input_get_drvdata(dev); |
1569 | ||
5bea7660 | 1570 | hid_hw_close(hid); |
7c379146 JK |
1571 | } |
1572 | ||
d43c17ea BT |
1573 | static bool __hidinput_change_resolution_multipliers(struct hid_device *hid, |
1574 | struct hid_report *report, bool use_logical_max) | |
2dc702c9 | 1575 | { |
2dc702c9 | 1576 | struct hid_usage *usage; |
d43c17ea | 1577 | bool update_needed = false; |
1ad273d6 | 1578 | bool get_report_completed = false; |
2dc702c9 PH |
1579 | int i, j; |
1580 | ||
d43c17ea BT |
1581 | if (report->maxfield == 0) |
1582 | return false; | |
2dc702c9 | 1583 | |
d43c17ea BT |
1584 | for (i = 0; i < report->maxfield; i++) { |
1585 | __s32 value = use_logical_max ? | |
1586 | report->field[i]->logical_maximum : | |
1587 | report->field[i]->logical_minimum; | |
1588 | ||
1589 | /* There is no good reason for a Resolution | |
1590 | * Multiplier to have a count other than 1. | |
1591 | * Ignore that case. | |
2dc702c9 | 1592 | */ |
d43c17ea BT |
1593 | if (report->field[i]->report_count != 1) |
1594 | continue; | |
2dc702c9 | 1595 | |
d43c17ea BT |
1596 | for (j = 0; j < report->field[i]->maxusage; j++) { |
1597 | usage = &report->field[i]->usage[j]; | |
2dc702c9 | 1598 | |
d43c17ea | 1599 | if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER) |
2dc702c9 PH |
1600 | continue; |
1601 | ||
1ad273d6 PH |
1602 | /* |
1603 | * If we have more than one feature within this | |
1604 | * report we need to fill in the bits from the | |
1605 | * others before we can overwrite the ones for the | |
1606 | * Resolution Multiplier. | |
1607 | * | |
1608 | * But if we're not allowed to read from the device, | |
1609 | * we just bail. Such a device should not exist | |
1610 | * anyway. | |
1611 | */ | |
1612 | if (!get_report_completed && report->maxfield > 1) { | |
1613 | if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS) | |
1614 | return update_needed; | |
1615 | ||
1616 | hid_hw_request(hid, report, HID_REQ_GET_REPORT); | |
1617 | hid_hw_wait(hid); | |
1618 | get_report_completed = true; | |
1619 | } | |
1620 | ||
39b3c3a5 | 1621 | report->field[i]->value[j] = value; |
d43c17ea BT |
1622 | update_needed = true; |
1623 | } | |
1624 | } | |
1625 | ||
1626 | return update_needed; | |
1627 | } | |
2dc702c9 | 1628 | |
d43c17ea BT |
1629 | static void hidinput_change_resolution_multipliers(struct hid_device *hid) |
1630 | { | |
1631 | struct hid_report_enum *rep_enum; | |
1632 | struct hid_report *rep; | |
1633 | int ret; | |
2dc702c9 | 1634 | |
d43c17ea BT |
1635 | rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; |
1636 | list_for_each_entry(rep, &rep_enum->report_list, list) { | |
1637 | bool update_needed = __hidinput_change_resolution_multipliers(hid, | |
1638 | rep, true); | |
1639 | ||
1640 | if (update_needed) { | |
1641 | ret = __hid_request(hid, rep, HID_REQ_SET_REPORT); | |
1642 | if (ret) { | |
1643 | __hidinput_change_resolution_multipliers(hid, | |
1644 | rep, false); | |
1645 | return; | |
2dc702c9 PH |
1646 | } |
1647 | } | |
2dc702c9 PH |
1648 | } |
1649 | ||
1650 | /* refresh our structs */ | |
1651 | hid_setup_resolution_multiplier(hid); | |
1652 | } | |
1653 | ||
f635bd11 HR |
1654 | static void report_features(struct hid_device *hid) |
1655 | { | |
1656 | struct hid_driver *drv = hid->driver; | |
1657 | struct hid_report_enum *rep_enum; | |
1658 | struct hid_report *rep; | |
581c4484 | 1659 | struct hid_usage *usage; |
f635bd11 HR |
1660 | int i, j; |
1661 | ||
f635bd11 HR |
1662 | rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; |
1663 | list_for_each_entry(rep, &rep_enum->report_list, list) | |
cc6b54aa BT |
1664 | for (i = 0; i < rep->maxfield; i++) { |
1665 | /* Ignore if report count is out of bounds. */ | |
1666 | if (rep->field[i]->report_count < 1) | |
1667 | continue; | |
1668 | ||
c5a92aa3 | 1669 | for (j = 0; j < rep->field[i]->maxusage; j++) { |
581c4484 DT |
1670 | usage = &rep->field[i]->usage[j]; |
1671 | ||
c5a92aa3 | 1672 | /* Verify if Battery Strength feature is available */ |
581c4484 DT |
1673 | if (usage->hid == HID_DC_BATTERYSTRENGTH) |
1674 | hidinput_setup_battery(hid, HID_FEATURE_REPORT, | |
1675 | rep->field[i]); | |
c5a92aa3 DN |
1676 | |
1677 | if (drv->feature_mapping) | |
581c4484 | 1678 | drv->feature_mapping(hid, rep->field[i], usage); |
c5a92aa3 | 1679 | } |
cc6b54aa | 1680 | } |
f635bd11 HR |
1681 | } |
1682 | ||
c554bb04 BT |
1683 | static struct hid_input *hidinput_allocate(struct hid_device *hid, |
1684 | unsigned int application) | |
ae751fa8 BT |
1685 | { |
1686 | struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); | |
1687 | struct input_dev *input_dev = input_allocate_device(); | |
c554bb04 | 1688 | const char *suffix = NULL; |
d7065620 | 1689 | size_t suffix_len, name_len; |
c554bb04 BT |
1690 | |
1691 | if (!hidinput || !input_dev) | |
1692 | goto fail; | |
1693 | ||
1694 | if ((hid->quirks & HID_QUIRK_INPUT_PER_APP) && | |
1695 | hid->maxapplication > 1) { | |
1696 | switch (application) { | |
1697 | case HID_GD_KEYBOARD: | |
1698 | suffix = "Keyboard"; | |
1699 | break; | |
1700 | case HID_GD_KEYPAD: | |
1701 | suffix = "Keypad"; | |
1702 | break; | |
1703 | case HID_GD_MOUSE: | |
1704 | suffix = "Mouse"; | |
1705 | break; | |
1706 | case HID_DG_STYLUS: | |
1707 | suffix = "Pen"; | |
1708 | break; | |
1709 | case HID_DG_TOUCHSCREEN: | |
1710 | suffix = "Touchscreen"; | |
1711 | break; | |
1712 | case HID_DG_TOUCHPAD: | |
1713 | suffix = "Touchpad"; | |
1714 | break; | |
1715 | case HID_GD_SYSTEM_CONTROL: | |
1716 | suffix = "System Control"; | |
1717 | break; | |
1718 | case HID_CP_CONSUMER_CONTROL: | |
1719 | suffix = "Consumer Control"; | |
1720 | break; | |
1721 | case HID_GD_WIRELESS_RADIO_CTLS: | |
1722 | suffix = "Wireless Radio Control"; | |
1723 | break; | |
ba6b055e BT |
1724 | case HID_GD_SYSTEM_MULTIAXIS: |
1725 | suffix = "System Multi Axis"; | |
1726 | break; | |
c554bb04 BT |
1727 | default: |
1728 | break; | |
1729 | } | |
1730 | } | |
1731 | ||
1732 | if (suffix) { | |
d7065620 BT |
1733 | name_len = strlen(hid->name); |
1734 | suffix_len = strlen(suffix); | |
1735 | if ((name_len < suffix_len) || | |
1736 | strcmp(hid->name + name_len - suffix_len, suffix)) { | |
1737 | hidinput->name = kasprintf(GFP_KERNEL, "%s %s", | |
1738 | hid->name, suffix); | |
1739 | if (!hidinput->name) | |
1740 | goto fail; | |
1741 | } | |
ae751fa8 BT |
1742 | } |
1743 | ||
1744 | input_set_drvdata(input_dev, hid); | |
3c86726c | 1745 | input_dev->event = hidinput_input_event; |
ae751fa8 BT |
1746 | input_dev->open = hidinput_open; |
1747 | input_dev->close = hidinput_close; | |
1748 | input_dev->setkeycode = hidinput_setkeycode; | |
1749 | input_dev->getkeycode = hidinput_getkeycode; | |
1750 | ||
c554bb04 | 1751 | input_dev->name = hidinput->name ? hidinput->name : hid->name; |
ae751fa8 BT |
1752 | input_dev->phys = hid->phys; |
1753 | input_dev->uniq = hid->uniq; | |
1754 | input_dev->id.bustype = hid->bus; | |
1755 | input_dev->id.vendor = hid->vendor; | |
1756 | input_dev->id.product = hid->product; | |
1757 | input_dev->id.version = hid->version; | |
bbe31754 | 1758 | input_dev->dev.parent = &hid->dev; |
e1b63c01 | 1759 | |
ae751fa8 | 1760 | hidinput->input = input_dev; |
0d6c3011 | 1761 | hidinput->application = application; |
ae751fa8 BT |
1762 | list_add_tail(&hidinput->list, &hid->inputs); |
1763 | ||
e1b63c01 BT |
1764 | INIT_LIST_HEAD(&hidinput->reports); |
1765 | ||
ae751fa8 | 1766 | return hidinput; |
c554bb04 BT |
1767 | |
1768 | fail: | |
1769 | kfree(hidinput); | |
1770 | input_free_device(input_dev); | |
1771 | hid_err(hid, "Out of memory during hid input probe\n"); | |
1772 | return NULL; | |
ae751fa8 BT |
1773 | } |
1774 | ||
4f22decf BT |
1775 | static bool hidinput_has_been_populated(struct hid_input *hidinput) |
1776 | { | |
1777 | int i; | |
1778 | unsigned long r = 0; | |
1779 | ||
1780 | for (i = 0; i < BITS_TO_LONGS(EV_CNT); i++) | |
1781 | r |= hidinput->input->evbit[i]; | |
1782 | ||
1783 | for (i = 0; i < BITS_TO_LONGS(KEY_CNT); i++) | |
1784 | r |= hidinput->input->keybit[i]; | |
1785 | ||
1786 | for (i = 0; i < BITS_TO_LONGS(REL_CNT); i++) | |
1787 | r |= hidinput->input->relbit[i]; | |
1788 | ||
1789 | for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++) | |
1790 | r |= hidinput->input->absbit[i]; | |
1791 | ||
1792 | for (i = 0; i < BITS_TO_LONGS(MSC_CNT); i++) | |
1793 | r |= hidinput->input->mscbit[i]; | |
1794 | ||
1795 | for (i = 0; i < BITS_TO_LONGS(LED_CNT); i++) | |
1796 | r |= hidinput->input->ledbit[i]; | |
1797 | ||
1798 | for (i = 0; i < BITS_TO_LONGS(SND_CNT); i++) | |
1799 | r |= hidinput->input->sndbit[i]; | |
1800 | ||
1801 | for (i = 0; i < BITS_TO_LONGS(FF_CNT); i++) | |
1802 | r |= hidinput->input->ffbit[i]; | |
1803 | ||
1804 | for (i = 0; i < BITS_TO_LONGS(SW_CNT); i++) | |
1805 | r |= hidinput->input->swbit[i]; | |
1806 | ||
1807 | return !!r; | |
1808 | } | |
1809 | ||
1810 | static void hidinput_cleanup_hidinput(struct hid_device *hid, | |
1811 | struct hid_input *hidinput) | |
1812 | { | |
1813 | struct hid_report *report; | |
1814 | int i, k; | |
1815 | ||
1816 | list_del(&hidinput->list); | |
1817 | input_free_device(hidinput->input); | |
c554bb04 | 1818 | kfree(hidinput->name); |
4f22decf BT |
1819 | |
1820 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
1821 | if (k == HID_OUTPUT_REPORT && | |
1822 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) | |
1823 | continue; | |
1824 | ||
1825 | list_for_each_entry(report, &hid->report_enum[k].report_list, | |
1826 | list) { | |
1827 | ||
1828 | for (i = 0; i < report->maxfield; i++) | |
1829 | if (report->field[i]->hidinput == hidinput) | |
1830 | report->field[i]->hidinput = NULL; | |
1831 | } | |
1832 | } | |
1833 | ||
1834 | kfree(hidinput); | |
1835 | } | |
1836 | ||
72d19459 BT |
1837 | static struct hid_input *hidinput_match(struct hid_report *report) |
1838 | { | |
1839 | struct hid_device *hid = report->device; | |
1840 | struct hid_input *hidinput; | |
1841 | ||
1842 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
1843 | if (hidinput->report && | |
1844 | hidinput->report->id == report->id) | |
1845 | return hidinput; | |
1846 | } | |
1847 | ||
1848 | return NULL; | |
1849 | } | |
1850 | ||
f07b3c1d BT |
1851 | static struct hid_input *hidinput_match_application(struct hid_report *report) |
1852 | { | |
1853 | struct hid_device *hid = report->device; | |
1854 | struct hid_input *hidinput; | |
1855 | ||
1856 | list_for_each_entry(hidinput, &hid->inputs, list) { | |
0d6c3011 | 1857 | if (hidinput->application == report->application) |
f07b3c1d | 1858 | return hidinput; |
7c7d7ac7 DT |
1859 | |
1860 | /* | |
1861 | * Keep SystemControl and ConsumerControl applications together | |
1862 | * with the main keyboard, if present. | |
1863 | */ | |
1864 | if ((report->application == HID_GD_SYSTEM_CONTROL || | |
1865 | report->application == HID_CP_CONSUMER_CONTROL) && | |
1866 | hidinput->application == HID_GD_KEYBOARD) { | |
1867 | return hidinput; | |
1868 | } | |
f07b3c1d BT |
1869 | } |
1870 | ||
1871 | return NULL; | |
1872 | } | |
1873 | ||
72d19459 BT |
1874 | static inline void hidinput_configure_usages(struct hid_input *hidinput, |
1875 | struct hid_report *report) | |
1876 | { | |
1877 | int i, j; | |
1878 | ||
1879 | for (i = 0; i < report->maxfield; i++) | |
1880 | for (j = 0; j < report->field[i]->maxusage; j++) | |
1881 | hidinput_configure_usage(hidinput, report->field[i], | |
1882 | report->field[i]->usage + j); | |
1883 | } | |
1884 | ||
dde5845a JK |
1885 | /* |
1886 | * Register the input device; print a message. | |
1887 | * Configure the input layer interface | |
1888 | * Read all reports and initialize the absolute field values. | |
1889 | */ | |
1890 | ||
93c10132 | 1891 | int hidinput_connect(struct hid_device *hid, unsigned int force) |
dde5845a | 1892 | { |
9ebf3d76 | 1893 | struct hid_driver *drv = hid->driver; |
dde5845a | 1894 | struct hid_report *report; |
72d19459 | 1895 | struct hid_input *next, *hidinput = NULL; |
c554bb04 | 1896 | unsigned int application; |
72d19459 | 1897 | int i, k; |
dde5845a JK |
1898 | |
1899 | INIT_LIST_HEAD(&hid->inputs); | |
50c9d75b | 1900 | INIT_WORK(&hid->led_work, hidinput_led_worker); |
dde5845a | 1901 | |
190d7f02 BT |
1902 | hid->status &= ~HID_STAT_DUP_DETECTED; |
1903 | ||
93c10132 JS |
1904 | if (!force) { |
1905 | for (i = 0; i < hid->maxcollection; i++) { | |
1906 | struct hid_collection *col = &hid->collection[i]; | |
1907 | if (col->type == HID_COLLECTION_APPLICATION || | |
1908 | col->type == HID_COLLECTION_PHYSICAL) | |
1909 | if (IS_INPUT_APPLICATION(col->usage)) | |
1910 | break; | |
1911 | } | |
dde5845a | 1912 | |
93c10132 JS |
1913 | if (i == hid->maxcollection) |
1914 | return -1; | |
1915 | } | |
dde5845a | 1916 | |
f635bd11 HR |
1917 | report_features(hid); |
1918 | ||
1919 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { | |
0d2689c0 BT |
1920 | if (k == HID_OUTPUT_REPORT && |
1921 | hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) | |
1922 | continue; | |
5556feae | 1923 | |
dde5845a JK |
1924 | list_for_each_entry(report, &hid->report_enum[k].report_list, list) { |
1925 | ||
1926 | if (!report->maxfield) | |
1927 | continue; | |
1928 | ||
c554bb04 BT |
1929 | application = report->application; |
1930 | ||
72d19459 BT |
1931 | /* |
1932 | * Find the previous hidinput report attached | |
1933 | * to this report id. | |
1934 | */ | |
1935 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) | |
1936 | hidinput = hidinput_match(report); | |
f07b3c1d BT |
1937 | else if (hid->maxapplication > 1 && |
1938 | (hid->quirks & HID_QUIRK_INPUT_PER_APP)) | |
1939 | hidinput = hidinput_match_application(report); | |
72d19459 | 1940 | |
dde5845a | 1941 | if (!hidinput) { |
c554bb04 | 1942 | hidinput = hidinput_allocate(hid, application); |
ae751fa8 | 1943 | if (!hidinput) |
368d290b | 1944 | goto out_unwind; |
dde5845a JK |
1945 | } |
1946 | ||
72d19459 | 1947 | hidinput_configure_usages(hidinput, report); |
4f22decf | 1948 | |
72d19459 | 1949 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) |
dde5845a | 1950 | hidinput->report = report; |
e1b63c01 BT |
1951 | |
1952 | list_add_tail(&report->hidinput_list, | |
1953 | &hidinput->reports); | |
dde5845a | 1954 | } |
0d2689c0 | 1955 | } |
dde5845a | 1956 | |
2dc702c9 PH |
1957 | hidinput_change_resolution_multipliers(hid); |
1958 | ||
72d19459 | 1959 | list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
39335d1c BT |
1960 | if (drv->input_configured && |
1961 | drv->input_configured(hid, hidinput)) | |
1962 | goto out_unwind; | |
1963 | ||
1964 | if (!hidinput_has_been_populated(hidinput)) { | |
72d19459 BT |
1965 | /* no need to register an input device not populated */ |
1966 | hidinput_cleanup_hidinput(hid, hidinput); | |
1967 | continue; | |
1968 | } | |
1969 | ||
72d19459 BT |
1970 | if (input_register_device(hidinput->input)) |
1971 | goto out_unwind; | |
1972 | hidinput->registered = true; | |
4f22decf BT |
1973 | } |
1974 | ||
1975 | if (list_empty(&hid->inputs)) { | |
1976 | hid_err(hid, "No inputs registered, leaving\n"); | |
1977 | goto out_unwind; | |
1978 | } | |
1979 | ||
190d7f02 BT |
1980 | if (hid->status & HID_STAT_DUP_DETECTED) |
1981 | hid_dbg(hid, | |
1982 | "Some usages could not be mapped, please use HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE if this is legitimate.\n"); | |
1983 | ||
dde5845a | 1984 | return 0; |
368d290b | 1985 | |
368d290b DH |
1986 | out_unwind: |
1987 | /* unwind the ones we already registered */ | |
1988 | hidinput_disconnect(hid); | |
1989 | ||
1990 | return -1; | |
dde5845a | 1991 | } |
229695e5 | 1992 | EXPORT_SYMBOL_GPL(hidinput_connect); |
dde5845a JK |
1993 | |
1994 | void hidinput_disconnect(struct hid_device *hid) | |
1995 | { | |
1996 | struct hid_input *hidinput, *next; | |
1997 | ||
4f5ca836 JF |
1998 | hidinput_cleanup_battery(hid); |
1999 | ||
dde5845a JK |
2000 | list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
2001 | list_del(&hidinput->list); | |
72d19459 BT |
2002 | if (hidinput->registered) |
2003 | input_unregister_device(hidinput->input); | |
2004 | else | |
2005 | input_free_device(hidinput->input); | |
e38c0ac5 | 2006 | kfree(hidinput->name); |
dde5845a JK |
2007 | kfree(hidinput); |
2008 | } | |
50c9d75b DH |
2009 | |
2010 | /* led_work is spawned by input_dev callbacks, but doesn't access the | |
2011 | * parent input_dev at all. Once all input devices are removed, we | |
2012 | * know that led_work will never get restarted, so we can cancel it | |
2013 | * synchronously and are safe. */ | |
2014 | cancel_work_sync(&hid->led_work); | |
dde5845a | 2015 | } |
229695e5 | 2016 | EXPORT_SYMBOL_GPL(hidinput_disconnect); |